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Annals of Intensive Care
Fig. 2 | Annals of Intensive Care

Fig. 2

From: Sound level intensity severely disrupts sleep in ventilated ICU patients throughout a 24-h period: a preliminary 24-h study of sleep stages and associated sound levels

Fig. 2

Sleep and wakefulness as a function of sound level. Above respective percentages of sleep stages for each median sound level for day time (08.00–22.00) and night time (22.00–08.00) are shown. Below OR (95% IC) risk of triggering wakefulness from sleep as a function of noise median levels is shown for day time (08.00–22.00) and night time (22.00–08.00)

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